I bought this the day after it was mentioned on iMerlion as the developers are comitted into making and improving the app, much more than the web counterpart. Mainly because of the bus routing features and it can understand more locations than the default Maps app. However I have several issues with it.
The map is outdated or not as complete as the default Map app. Some buildings could not be found, like SIM for example.
When you try to zoom in and drags along the map for browsing, the line of the route gets distorted and no longer stick to the map. It also becomes laggy. (Edit: no such issue now)
Also mentioned before is the occasional magnetic interference, although it comes and go bit still is an annoyance. (No such issue now)
That being said, it is a good app, nice appealing GUI design and it sure beats the default app especially if you want to travel around in Singapore. I use it a lot when trying to travel from one place to another.
Edit 2015-01-24: do not get this. Crashing 100% of the time on my iPhone 6 iOS 8.1.2. They havent been updating it for a long time btw. They need to get their act together. Back to one star.
CyberMew about gothere.sg, v1.11